OpenTechnical

OT-2026-000097544

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097544) never changes.

Identity and time

Publication numberOT-2026-000097544 · never reused
Internal UUID01a0aea1-55b4-75bd-97e0-87a704914f6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097544
StatusPUBLIC

Content hashes

Canonical text761ba49133c00e2a6d7ae2aa9b360a4b150feeeb3dbed631dce7befc7807d1d8
Markdown67b3b23bc219610cec93c5765c554579e09f4634e016613353f0e7ee4dc444eb
PDF
Publication page2f46cefe03a883abd414410f97cccd5c3c1e72fb14d3d979d64fa9d88cacd190
Manifest866fa238f11d571da09bc463b1cb52ff2fc861b4c1e71d6a666b9be924c067f8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2VI1QRCF3YYulTtfoZrJ3Xe7ziFRIoIohfUL7JwMNWuBDlyEJJG6vNWQGREmzafFQfEQmAu6DiWjxkw1OL+1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.409143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097544
observed 2f46cefe03a883abd414410f97cccd5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.391400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097544/manifest.json
observed 866fa238f11d571da09bc463b1cb52ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.374711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097544/publication.md
observed 67b3b23bc219610cec93c5765c554579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.355031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097544/publication.txt
observed 761ba49133c00e2a6d7ae2aa9b360a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.